22164250026 has 16 divisors (see below), whose sum is σ = 44500987584. Its totient is φ = 7359335424.

The previous prime is 22164250001. The next prime is 22164250057. The reversal of 22164250026 is 62005246122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22164249975 and 22164250002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7185310 + ... + 7188393.

It is an arithmetic number, because the mean of its divisors is an integer number (2781311724).

Almost surely, 2^22164250026 is an apocalyptic number.

22164250026 is an abundant number, since it is smaller than the sum of its proper divisors (22336737558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22164250026 is a wasteful number, since it uses less digits than its factorization.

22164250026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14373965.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 22164250026 its reverse (62005246122), we get a palindrome (84169496148).

The spelling of 22164250026 in words is "twenty-two billion, one hundred sixty-four million, two hundred fifty thousand, twenty-six".